NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon RX 6750 GRE 12 GB

VS

NVIDIA GeForce GT 640 Rev. 2 AMD Radeon RX 6750 GRE 12 GB

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 12GB VRAM Radeon RX 6750 GRE 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Lower TDP (49W vs 250W)

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 10 years and 5 months late

Boost Clock2581MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (432.0GB/s vs 40.06GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 Rev. 2

0.803 TFLOPS

Radeon RX 6750 GRE 12 GB +1545%

13.21 TFLOPS

GeForce GT 640 Rev. 2

VS

Radeon RX 6750 GRE 12 GB

Graphics Card

May 2013

Release Date

Oct 2023

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

1252 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

40.06GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

-

Compute Units

40

384

Shading Units

2560

32

TMUs

160

8

ROPs

64

-

Tensor Cores

-

RT Cores

40

16 KB (per SMX)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

Theoretical Performance

8.368 GPixel/s

Pixel Rate

165.2 GPixel/s

33.47 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

803.3 GFLOPS

FP32 (float)

13.21 TFLOPS

33.47 GFLOPS

FP64 (double)

825.9 GFLOPS

Graphics Processor

GK208

GPU Name

Navi 22

GK208-400-A1

GPU Variant

Navi 22 KXT (215-127000144)

Kepler 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.02 billion

Transistors

17.2 billion

87 mm²

Die Size

335 mm²

Board Design

49W

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.5

CUDA

-

5.1

Shader Model

6.7

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